HCT116 cells were transfected with scramble or CISD2 knockdown lentivirus using six-well plates (NEST Biotechnology) at an MOI of 20, as reported earlier (Shao et al., 2021 (link)). After 24 h of infection, cells were harvested via centrifugation, resuspended in preheated complete culture medium, and administered selective antibiotics. Following a 7-day screening, CISD2 expression was gauged through immunoblotting. Verified cells were then used for subsequent experimentation.
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